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How Accurate Are Private Sector Forecasts

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  • Prakash Loungani

Abstract

This paper evaluates the performance of Consensus Forecasts of GDP growth for industrialized and developing countries from 1989 to 1998. The questions addressed are (1) How do forecast errors differ across industrialized and developing countries? (2) How well do forecasters predict recessions? (3) Are forecasts efficient and unbiased? (4) How does private sector performance compare with that of international organizations? (5) Is forecaster discord a reliable predictor of forecast accuracy? Two key results emerge. First, the record of failure to predict recessions is virtually unblemished. Second, there is high degree of similarity between private forecasts and those of international organizations.

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Bibliographic Info

Paper provided by International Monetary Fund in its series IMF Working Papers with number 00/77.

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Length: 32
Date of creation: 01 Apr 2000
Date of revision:
Handle: RePEc:imf:imfwpa:00/77

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Related research

Keywords: Gross national product; Economic indicators; Economic recession; Economic growth; Developed countries; Developing countries; Transition economies; World Economic Outlook; recession; recessions; forecasting; standard deviation; correlation; statistic; mean square; standard errors; statistics; absolute errors; dummy variables; independent variables; predictions; correlations; dummy variable; outliers; outlier; independent variable; standard error; government agencies; martingale; prediction; surveys; absolute error;

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Cited by:
  1. Axel Dreher & Silvia Marchesi & James Raymond Vreeland, 2007. "The Politics of IMF Forecasts," CESifo Working Paper Series 2129, CESifo Group Munich.
  2. Isiklar, Gultekin & Lahiri, Kajal & Loungani, Prakash, 2006. "How quickly do forecasters incorporate news? Evidence from cross-country surveys," MPRA Paper 22065, University Library of Munich, Germany.
  3. Roy Batchelor, 2007. "Forecaster Behaviour and Bias in Macroeconomic Forecasts," Ifo Working Paper Series Ifo Working Paper No. 39, Ifo Institute for Economic Research at the University of Munich.
  4. Jan-Egbert Sturm & Timo Wollmershäuser, 2008. "The Stress of Having a Single Monetary Policy in Europe," CESifo Working Paper Series 2251, CESifo Group Munich.
  5. Bell, William Paul, 2009. "Adaptive interactive expectations: dynamically modelling profit expectations," MPRA Paper 38260, University Library of Munich, Germany, revised 09 Feb 2010.
  6. Martin Mühleisen & Kornélia Krajnyák & Stephan Danninger & David Hauner & Bennett Sutton, 2005. "How Do Canadian Budget Forecasts Compare with Those of Other Industrial Countries?," IMF Working Papers 05/66, International Monetary Fund.
  7. Alfredo Pistelli M., 2012. "Análisis de Sesgos y Eficiencia en Proyecciones de Consensus Forecasts," Notas de Investigación Journal Economía Chilena (The Chilean Economy), Central Bank of Chile, vol. 15(1), pages 98-104, April.
  8. Frank-Oliver Aldenhoff, 2007. "Are economic forecasts of the International Monetary Fund politically biased? A public choice analysis," The Review of International Organizations, Springer, vol. 2(3), pages 239-260, September.
  9. Cepparulo, Alessandra & Gastaldi, Francesca & Giuriato, Luisa & Sacchi, Agnese, 2011. "Budgeting versus implementing fiscal policy:the Italian case," MPRA Paper 32474, University Library of Munich, Germany.
  10. Fildes, Robert & Stekler, Herman, 2002. "The state of macroeconomic forecasting," Journal of Macroeconomics, Elsevier, vol. 24(4), pages 435-468, December.

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